Product Code: RIS02330
Nu-Clear Canister Filter Replacement Cartridge, 25 Micron, 30 sq. ft. for the Nu-Clear Canister Filter Models 530 & 533. Dimensions: 8.5" wide and 8 3/8" tall. Center hole is 4" wide.

Product Code: RIS02418
Nu-Clear Canister Filter Replacement Cartridge, 100 Micron, 18 sq. ft., for the Nu-Clear Canister Filter Model 522. Dimensions: 8.5" wide and 8 3/8" tall. Center hole is 4" wide.

Product Code: RIS21916
Inland Seas Marine & Reef Activated Carbon is a premium activated carbon. Activated carbon is a bituminous coal based pelletized carbon. 20 lb.

Product Code: RIS02456
Nu-Clear Filter Replacement Inland Seas Premium Pelletized Activated Carbon, 1.5 lbs for Nu-Clear Canister Filter models 522 & 533. Includes the carbon bag.

Product Code: RIS02465
Using the Inland Seas Nu-Clear Replacement Empty Bag for 1.5 lb Carbon, you can bag your own carbon for your Nu-Clear Filter. By buying larger sizes of carbon, such as the Inland Seas Premium Pelletized Activated Carbon, 7 lbs, and bagging it yourself, you can save money in the long run.

Product Code: RIS21964
Inland Seas Marine & Reef Activated Carbon is a premium activated carbon. Activated carbon is a bituminous coal based pelletized carbon. 4 lb.

Product Code: RIS02427
Nu-Clear Canister Filter Replacement Inland Seas Premium Pelletized Activated Carbon, 7 lbs. For the Nu-Clear Canister Filter Model 566. Includes the filter bag.

Product Code: RIS02467
Using the Inland Seas Nu-Clear Replacement Empty Bag for 7 lb Carbon, you can bag your own carbon for your Nu-Clear Filter. By buying larger sizes of carbon, such as the Inland Seas Premium Pelletized Activated Carbon, 50 lb, and bagging it yourself, you can save money in the long run.

Product Code: RIS21908
Inland Seas Marine & Reef Activated Carbon is a premium activated carbon. Activated carbon is a bituminous coal based pelletized carbon. 8 lb.

Product Code: RIS21920
Inland Seas Marine & Reef Activated Carbon is a premium activated carbon. Activated carbon is a bituminous coal based pelletized carbon. 20 lb.

Product Code: RIS99999
Inland Seas Marine & Reef Activated Carbon is a premium activated carbon. Activated carbon is a bituminous coal based pelletized carbon. 50 lb.

Product Code: RIS02325
Replacement cartridge for the Red Sea Ocean Clear 325 Canister Filter (25 Micron, 25 sq ft). Can also be used with any of the Nu-Clear Canister Filters. Dimensions: 8.5" wide and 8 3/8" tall. Center hole is 4" wide.